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Originally posted by R13sg0Okay, i understand. When do you think we will be able to make it law? It would make things easier for you against guys like me and the bible-nuts.
What proof do you need and where can you find it in your opinion? Can you expand a little on your views about this 'law'?
Originally posted by Gawdzilla
We'll be able to make it a law when it's no longer a theory. When we have a lock on how evolution works, then we call "law". Until then we should be conservative and call it "the theory of how evolution works". (And note, dear lurkers, that evolution is a fact, it's how evolution works that is still a theory.)
Originally posted by rhinoceros
Originally posted by Gawdzilla
We'll be able to make it a law when it's no longer a theory. When we have a lock on how evolution works, then we call "law". Until then we should be conservative and call it "the theory of how evolution works". (And note, dear lurkers, that evolution is a fact, it's how evolution works that is still a theory.)
But then we really shouldn't call it the law of gravity, as our understanding of evolution is a lot better, than our current understanding of gravitation.
[edit on 10-5-2009 by rhinoceros]
Originally posted by R13sg0
Yes. And is the only evidence we find for rapid sedimentation upright trees?
I guess it's the case for every fossil. I believe it's a requirement for fossilisation. Not it can be rapid, but it must be rapid.
It's real and you asked me, so i delivered. I even gave the source earlier. And it matters because you uphold his general theory and conclusions, that he based almost solely on those facts.
Nice drawings, and i see some resemblance. I wouldn't use the phrase "really accurate" though. I could be mislead by the drawings, i could not by the pictures.
Be more precise in your answers. And it is the case for every radio isotope dating method. You can only come to a date if you compare your results with the current levels.
How can we know how much of the parent and daughter elements were present when the decaying started?
U-235 and U-238 provide a means to verify the assumption of how much of the parent and daughter elements the sample started with.
* Uranium's daughter element is lead. Common lead contains a mixture of four isotopes. Since the proportions of the lead isotopes are very nearly constant, lead-204, which is not produced by radioactive decay, can be used to accurately estimate the original quantities of lead-206 and lead-207. This provides an accurate estimate of the original daughter element..
* U-235 and U-238 have different half-lives. The comparison of the dates a sample gives using each of these elements provides further evidence that the initial assumptions were correct for this sample.
Potassium-Argon dating - Argon does not react chemically, so any found inside a rock is very likely the result of radioactive decay of potassium.
hyperphysics.phy-astr.gsu.edu...
The most accurate test of the assumptions about the starting parent and daughter elements is to date the sample using multiple methods. Since the dating methods use different parent and daughter elements, it is highly unlikely that the sample could be contaminated in a way that would affect the different methods in such a way as to all give the same wrong date. Matching dates provide strong evidence that the initial assumptions were correct.
The following applies to minerals. It does not apply to some of the other techniques, such as Carbon-14 dating.
Minerals form by recognized chemical processes that depend on the chemical activity of the elements involved. The chemical behavior of an element depends on its size and the number of electrons in its outer shell. This is the foundation of the periodic table of the elements, a basic part of chemistry that has stood without challenge for a hundred and fifty years.
The shell structure depends only on the number of electrons the nuclide has, which is the same as the number of protons in its nucleus. So the shell structure doesn't change between different nuclides of the same element. K39 is chemically identical to K40; the only way we can distinguish between them is to use a nonchemical technique like mass spectrometry. (Note: It's true that some natural processes favor some isotopes over others. Water molecules containing oxygen-16 are lighter and therefore evaporate faster than water molecules with oxygen-18. However, as far as is known such fractionation occurs only with light nuclides: oxygen, hydrogen, carbon. The atoms used in radiometric dating techniques are mainly heavy atoms, so we can still use the axiom that mineral-forming processes can't distinguish between different nuclides.)
So the processes that are involved in mineral formation can't distinguish between nuclides. Sr86 atoms and Sr87 atoms behave identically when they bond with other atoms to form a mineral molecule. If there are ten Sr86 atoms for every Sr87 atom in the original magma melt, there will be ten Sr86 atoms for every Sr87 atom in the minerals that crystallize from that melt.
www.jwoolfden.com...
Isochron dating does not even require knowing the starting amounts, thus eliminating this criticism altogether.
It's not a problem for me, personally, i believe it's a problem for evolution-theory. And we can tell by the fossils we found that it didn't evolve. Please, tell me what u think the explanation is for this fish not changing, with your view of the evolution theory.
Then again: a new species was the least i expected.
Originally posted by Gawdzilla
Originally posted by R13sg0Okay, i understand. When do you think we will be able to make it law? It would make things easier for you against guys like me and the bible-nuts.
What proof do you need and where can you find it in your opinion? Can you expand a little on your views about this 'law'?
We'll be able to make it a law when it's no longer a theory. When we have a lock on how evolution works, then we call "law". Until then we should be conservative and call it "the theory of how evolution works". (And note, dear lurkers, that evolution is a fact, it's how evolution works that is still a theory.)
Show me the law and I'll comment on it. As we don't have one yet, we can only speculate. (And the Cardinals are playing, so my share of speculation would necessarily be brief.)
Originally posted by R13sg0
How nice to read some healthy caution in calling things laws.
The thing that intrigues me most in evolution is the question of how. I would like to present a bit of reading material, it's only two pages. It's a reflection of my personal view. Click here.
It's not a problem for me, personally, i believe it's a problem for evolution-theory. And we can tell by the fossils we found that it didn't evolve. Please, tell me what u think the explanation is for this fish not changing, with your view of the evolution theory.
It's not a problem. So you can tell by looking at a fossil what this fish was able to digest, or how deep it was able to dive, or what its immune system was like, can you? You know evolution does not simply mean "change of looks". And the explanation for not a lot of apparent evolution? There was no need for adaptation. This fish has been "perfect" for its niche which has remained the same for a long time.
Then again: a new species was the least i expected.
Then again you called E. coli a virus. So what exactly separates one species of bacteria from another? What kind of a change (if not ability to get energy from a new source or 70% faster rate of growth) counts as change of species in bacteria?
Originally posted by Gawdzilla
I'm a skeptic.
"Another is to say, “God did it,” which explains nothing even if it is true." Nice.
As for abiogenesis, have fun with that.
Originally posted by ShowMeEvil
The Big Bang is chewing gum for the lost and half intelligent design nutcases.
Something does not come from nothing!
PERIOD. PERIOD. PERIOD.
Originally posted by R13sg0I'm telling you: Beach sand experiment. Very easy to replicate. You can do it at home.
Originally posted by Gawdzilla
IDers are conspiring to inject religion into schools under the guise of "science". Dover, Del., and the Evolution Wars in Kansas have shown this to be the case.
What I'm wondering is if they think the whole country is stupid enough to believe that ID is anything but a sham?
Originally posted by Gawdzilla
reply to post by Toughiv
"Its a leap of faith at the end of the day."
Faith doesn't belong in the science classroom. It belongs in Sunday Schools, not Public Schools. I have no problem with anybody believing anything they want, but try and take the US back to the 17th Century and there will be a fight. I guarantee it.